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2 years ago

15

A bag contains 2 red beads, 1 yellow bead and 3 green beads. A bead is chosen at random.

2 answers:

Inessa [10]2 years ago

6 0

Add all the beads together:
2 red + 1 yellow + 3 green = 6 beads in total
Add together all the beads that are NOT yellow:
2 red + 3 green = 5 beads
Put the 5 that are not yellow over the total number:
5/6 is the probability that the bead selected at random will NOT be yellow

Katena32 [7]2 years ago

5 0

1/5

Step-by-step explanation:

there is only one yellow bead 2 red and 3 green you add the red and green with a total of 5 getting a ratio of 1/5

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GREYUIT [131]

Answer:

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Step-by-step explanation:

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Answer:

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2 years ago

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Step-by-step explanation:

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2 years ago

Maya had $27. She spent all the money on buying 3 burgers for $x each and 2 sandwiches for $y each. If Maya would have bought 2

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Answer:

Option C

The student's conclusion is correct because the solution to the system of equations $3x+2y=27$ and $2x+y=16$ is $(5,6)$

Step-by-step explanation:

Let

x------> the cost of each burger

y-----> the cost of each sandwich

we know that

$3x+2y=27$ -----> equation A

$2x+y=(27-11)$

$2x+y=16$ ----> equation B

Solve the system of equations

Multiply the equation B by $-2$

$-2(2x+y)=-2*16$ -----> $-4x-2y=-32$ ------> equation C

Adds equation A and equation C

$3x+2y=27 \\-4x-2y=-32\\ ----------\\ 3x-4x=27-32\\ -x=-5\\x=5$

Substitute the value of x in the equation B

$2(5)+y=16$

$10+y=16$

$y=6$

The solution of the system of equations is the point $(5,6)$

so

The price of each burger is $\$5$

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2 years ago

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